Atmospheric River Bringing Heavy Rain to Southern California and Heavy Snow to the Sierra Nevadas

A strong atmospheric river will continue heavy rain over southern California through Friday. The heaviest rainfall is ongoing today in the Los Angeles Basin. Flash and urban flooding is possible. A prolonged heavy snowfall has begun over the Sierra Nevada Mountains and will continue through Friday. Travel will become increasingly difficult over the passes due to snow and strong winds. Read More >

Current conditions at

Challis - Challis Airport (KLLJ)

Lat: 44.523°NLon: 114.21611°WElev: 5026.0ft.

Rain

37°F

3°C

Humidity	93%
Wind Speed	N 4 MPH
Barometer	29.71 in (1006.1 mb)
Dewpoint	36°F (2°C)
Visibility	10.00 mi
Wind Chill	34°F (1°C)
Last update	24 Dec 11:20 PM MST

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

25 Miles NNE Mackay ID

Tonight
Low: 32 °F
Rain
Christmas Day
High: 37 °F
Chance
Rain/Snow and
Patchy Fog
Thursday Night
Low: 28 °F
Snow
Friday
High: 35 °F
Snow then
Chance Snow
Friday Night
Low: 15 °F
Chance Snow
Saturday
High: 25 °F
Chance Snow
Saturday Night
Low: 4 °F
Partly Cloudy
Sunday
High: 22 °F
Mostly Sunny
Sunday Night
Low: 9 °F
Mostly Clear

Detailed Forecast

Tonight

Rain, mainly before 2am. Low around 32. South wind 7 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 100%.

Christmas Day

A chance of rain and snow before 8am, then a chance of rain and snow after noon. Patchy fog before 11am. Otherwise, increasing clouds, with a high near 37. South southeast wind 6 to 14 mph, with gusts as high as 18 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.

Thursday Night

Snow. Low around 28. South wind around 10 mph, with gusts as high as 18 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.

Friday

Snow, mainly before 11am. High near 35. South wind 9 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.

Friday Night

A 50 percent chance of snow. Mostly cloudy, with a low around 15. Southwest wind 9 to 11 mph. New snow accumulation of 1 to 3 inches possible.

Saturday

A 50 percent chance of snow. Mostly cloudy, with a high near 25. New snow accumulation of less than one inch possible.

Saturday Night

Partly cloudy, with a low around 4.

Sunday

Mostly sunny, with a high near 22.

Sunday Night

Mostly clear, with a low around 9.

Monday

Sunny, with a high near 29.